They are finding a lot of inaccuracies: students that they would have expected to get high or low marks not getting them - and a lot of inconsistencies.

BBC: Head teachers complain of 'erratic' Sats marking

Both brands get high marks for low depreciation, fuel and maintenance and repair costs across their full vehicle lines.

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To get to the gorillas, my fellow tourists and I walk through farms to a low stone wall that marks the entrance to the park.

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